/Engine/Source/Runtime/Slate/Public/Widgets/Input/SNumericEntryBox.h
Notification for committing undetermined values
typedef TBaseDelegate_TwoParams< void, [FText](API\Runtime\Core\Internationalization\FText), [ETextCommit::Type](API\Runtime\SlateCore\Types\ETextCommit__Type) > FOnUndeterminedValueCommitted